v. t. [ F. défaillir to fail; pref. dé- (L. de) + faillir. See Fail, and cf. Default. ] To cause to fail. [ Obs. ] [ 1913 Webster ]

n. [ F. défaillance. ] Failure; miscarriage. [ Obs. ] [ 1913 Webster ]

Possibility of defailance in degree or continuance. Comber. [ 1913 Webster ]

n. Failure. [ Obs. ] Barrow. [ 1913 Webster ]